Using O=C(CCC(=O)c1cccnc1)c1cccnc1, C[Si](C)(C)CCOC(=O)NN to produce C[Si](C)(C)CCOC(=O)Nn1c(-c2cccnc2)ccc1-c1cccnc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.