Using O=C(O)c1csc2c(NC3CC3)ncnc12, Cc1ccc(NC(=O)OC(C)(C)C)cc1N to produce Cc1ccc(NC(=O)OC(C)(C)C)cc1NC(=O)c1csc2c(NC3CC3)ncnc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.