Using COC(=O)c1cccc(NS(=O)(=O)c2c(F)cccc2F)c1F, Cc1ccnc(Cl)n1 to produce O=C(Cc1ccnc(Cl)n1)c1cccc(NS(=O)(=O)c2c(F)cccc2F)c1F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.