Using CN1C(=O)c2cccnc2Nc2ccccc21, CN(CCCl)Cc1ccccc1 to produce CN(CCN1c2ccccc2N(C)C(=O)c2cccnc21)Cc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.