Using CC(C)(C)c1ccc(N=C=O)cc1, NCc1ccc2c(c1)CN(C1CCC(=O)NC1=O)C2=O to produce CC(C)(C)c1ccc(NC(=O)NCc2ccc3c(c2)CN(C2CCC(=O)NC2=O)C3=O)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.