Using CN(C(=O)OC(C)(C)C)c1cc(O)ccc1N, O=C(O)COc1ccc(CC2SC(=O)NC2=O)cc1 to produce CN(C(=O)OC(C)(C)C)c1cc(O)ccc1NC(=O)COc1ccc(CC2SC(=O)NC2=O)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.