Using CC(c1ccccc1)N1CC(C(C(N)=O)(c2ccccc2)c2ccccc2)C1 to produce NC(=O)C(c1ccccc1)(c1ccccc1)C1CNC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.