Using COc1ccc(COCCCOc2cc(F)c(-c3c(Cl)nc4ncnn4c3C3CCCCCC3)c(F)c2)cc1 to produce OCCCOc1cc(F)c(-c2c(Cl)nc3ncnn3c2C2CCCCCC2)c(F)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.