Using Cc1nc(Oc2ccccc2)c(N)c(NCCNC(=O)OC(C)(C)C)c1C, CCOC(=N)CCl to produce Cc1nc(Oc2ccccc2)c2nc(CCl)n(CCNC(=O)OC(C)(C)C)c2c1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.