Using COc1cc(C(=O)c2csc(-c3ccc(CNC(=O)OC(C)(C)C)cc3)n2)cc(OC)c1OC to produce COc1cc(C(=O)c2csc(-c3ccc(CN)cc3)n2)cc(OC)c1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.