Using COc1ccc(C(=O)Nc2cc(C(O)CNC(C)(C)C)ccc2O)cc1 to produce COc1ccc(C(=O)Nc2cc(C(O)CNC(C)(C)C)cc(Cl)c2O)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.