Using COc1cc(F)c(C(O)CNCc2cccc(OC)c2OC)cc1OC to produce COc1cc(F)c(C2CNCc3c2ccc(OC)c3OC)cc1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.