Using CCOC(=O)Cn1cc(Cc2nc3c(F)c(F)cc(F)c3s2)c2ccc(CC)nc21 to produce CCc1ccc2c(Cc3nc4c(F)c(F)cc(F)c4s3)cn(CC(=O)O)c2n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.