Using O=C1c2ccccc2C(=O)N1CCc1c(Cl)ncnc1N[C@H]1CCc2ccccc21 to produce NCCc1c(Cl)ncnc1N[C@H]1CCc2ccccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.