Using O=Cc1ccc(OCCOc2cnc(-c3ccccc3)c(-c3ccccc3)n2)cc1 to produce OCc1ccc(OCCOc2cnc(-c3ccccc3)c(-c3ccccc3)n2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.