Using Oc1c(C2CCC2)ccc(-c2cnc3c(c2)OCCN3)c1F, O=C(O)Cc1ccc(CBr)cc1 to produce O=C(O)Cc1ccc(COc2c(C3CCC3)ccc(-c3cnc4c(c3)OCCN4)c2F)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.