Using CCn1nc(-c2ncc(NCc3ccc(OC)cc3)nc2-c2ccccc2)ccc1=O to produce CCn1nc(-c2ncc(N)nc2-c2ccccc2)ccc1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.