Using CC(C)(C)[Si](C)(C)OCCC1(CCO[Si](C)(C)C(C)(C)C)SC(NC2CC3CCC2C3)=NC1=O to produce O=C1N=C(NC2CC3CCC2C3)SC1(CCO)CCO, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.