Using CCOC(=O)c1cnc2c(ccn2COCC[Si](C)(C)C)c1NC1CCCCC1 to produce C[Si](C)(C)CCOCn1ccc2c(NC3CCCCC3)c(C(=O)O)cnc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.