Using CC(=O)Nc1nc2ccc(CCc3cn4ccc(C)cc4n3)cc2o1, CN(C)C=O to produce Cc1ccn2cc(CCc3ccc4nc(N=CN(C)C)oc4c3)nc2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.