Using Cc1cccc(N=C=O)c1, CNCc1cccc2c1CN(C1CCC(=O)NC1=O)C2=O to produce Cc1cccc(NC(=O)N(C)Cc2cccc3c2CN(C2CCC(=O)NC2=O)C3=O)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.