Using CC(C)(C)c1cc(O)cc(C(C)(C)C)c1, O=C(CCl)NCO to produce CC(C)(C)c1cc(O)c(CNC(=O)CCl)c(C(C)(C)C)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.