Using CCCC(Nc1ccc(-n2cc(C3CC3)cn2)nc1)c1ccc(C(=O)OCC)cc1 to produce CCCC(Nc1ccc(-n2cc(C3CC3)cn2)nc1)c1ccc(C(=O)O)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.