Using CC=O, COc1ccc2ccn3c(N)c(-c4ccccc4C)nc3c2c1 to produce CCNc1c(-c2ccccc2C)nc2c3cc(OC)ccc3ccn12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.