Using CCn1nc(CO)c(=O)c2cc(OCc3ccc(OC)cc3)c(OCc3ccc(OC)cc3)cc21 to produce CCn1nc(C=O)c(=O)c2cc(OCc3ccc(OC)cc3)c(OCc3ccc(OC)cc3)cc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.