Don't align to an atlas; align to a template that is aligned to an atlas (the dataset with labeled regions). The N27 dataset is a template. That version of the Schaefer-Yeo atlas is aligned to the 2006 version of the MNI template supplied with FSL. We have a new version of the Schaefer-Yeo atlas aligned to the 2009 asymmetric version of the MNI template, supplied with AFNI, and you can try it out with the link below.
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afni.nimh.nih.gov]