Using C1CCNC1, C=C(C)OC(=O)Nc1cc(Oc2ccc(NC(=O)NC(=O)C(C)(C)C)nc2)ccn1 to produce CC(C)(C)C(=O)NC(=O)Nc1ccc(Oc2ccnc(NC(=O)N3CCCC3)c2)cn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.