Using CCOC(=O)[C@@H]1CCCN(c2ccc(Cl)c(-c3nc4ccccc4n3C(=O)OC(C)(C)C)c2)C1 to produce CCOC(=O)[C@@H]1CCCN(c2ccc(Cl)c(-c3nc4ccccc4[nH]3)c2)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.