Using CCOC(=O)c1cn(-c2cccs2)c2c(F)c(F)c(F)c(C)c2c1=O to produce Cc1c(F)c(F)c(F)c2c1c(=O)c(C(=O)O)cn2-c1cccs1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.