Using CN(C)C1(Cc2ccccc2)CCC(=O)CC1, NC1CCc2ccccc21 to produce CN(C)C1(Cc2ccccc2)CCC(NC2CCc3ccccc32)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.