Using CCOS(=O)(=O)OCC, O=C(O)c1c[nH]c2nc(N3CCNCC3)ncc2c1=O to produce CCn1cc(C(=O)O)c(=O)c2cnc(N3CCNCC3)nc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.