Using C[C@@H]1CN(Cc2ccccc2)[C@@H](CCl)CN1C(=O)OC(C)(C)C, C[C@@H]1COCCN1 to produce C[C@@H]1COCCN1C[C@H]1CN(C(=O)OC(C)(C)C)[C@H](C)CN1Cc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.