Using O=C(Nc1ccc(Cl)c(C(F)(F)F)c1)N1COc2cc(O)ccc21, Clc1ccnc(Cl)n1 to produce O=C(Nc1ccc(Cl)c(C(F)(F)F)c1)N1COc2cc(Oc3ccnc(Cl)n3)ccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.