Using CCOC(=O)c1c(C)nc2c(OCc3c(F)cccc3F)cc(N3CCOCC3)cn12 to produce Cc1nc2c(OCc3c(F)cccc3F)cc(N3CCOCC3)cn2c1C(=O)O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.