Using O=C(O)CC(O)(CC(=O)O)C(=O)O, Cn1nc(S(N)(=O)=O)c2c(F)cccc21 to produce COc1cccc2c1c(S(N)(=O)=O)nn2C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.