Using CC1(C=O)CCC1, CC[Si](CC)(CC)OC(CN)c1c(Cl)cccc1Cl to produce CC[Si](CC)(CC)OC(CNCC1(C)CCC1)c1c(Cl)cccc1Cl, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.