Using O=P(Cl)(Cl)Cl, NC(=O)c1nc(NC(=O)OCC23CCN(CC2)CC3)c(-c2ccccc2)s1 to produce N#Cc1nc(NC(=O)OCC23CCN(CC2)CC3)c(-c2ccccc2)s1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.