Using O=C1COC1, Cc1onc(-c2ccc(F)cc2)c1COc1ccc(Br)cn1 to produce Cc1onc(-c2ccc(F)cc2)c1COc1ccc(C2(O)COC2)cn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.