Using CCOC(=O)c1c(CCCNCC(O)CN2CCOCC2)[nH]c(C(=O)OC(C)(C)C)c1C to produce Cc1c[nH]c2c1C(=O)N(CC(O)CN1CCOCC1)CCC2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.