Using CC1(N)CCN(Cc2ccccc2)C1, Cn1c(=O)c(C=O)cc2ccccc21 to produce Cn1c(=O)c(CNC2(C)CCN(Cc3ccccc3)C2)cc2ccccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.