Using C1COCCN1, COC(=O)Cc1c(C)n(S(=O)(=O)c2ccc(F)c(C#N)c2)c2ncccc12 to produce COC(=O)Cc1c(C)n(S(=O)(=O)c2ccc(N3CCOCC3)c(C#N)c2)c2ncccc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.