Using O=C(Nc1ccc(C2=CCNCC2)cc1)N1Cc2ccncc2C1, CC(C)C=O to produce CC(C)CN1CC=C(c2ccc(NC(=O)N3Cc4ccncc4C3)cc2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.