Using CC(=O)Nc1ccc2oc(-c3ccc(-n4ccnc4)cc3)c(OCc3ccccc3)c(=O)c2c1 to produce Nc1ccc2oc(-c3ccc(-n4ccnc4)cc3)c(OCc3ccccc3)c(=O)c2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.