Using CCCI, O=C(NCCCNCCc1ccc(Cl)cc1)Nc1ccccc1 to produce CCCN(CCCNC(=O)Nc1ccccc1)CCc1ccc(Cl)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.