Using O=C(CBr)CCN1CCC(Cc2nc3ccccc3n2Cc2ccc(F)cc2)CC1, CC(N)=S to produce Cc1nc(CCN2CCC(Cc3nc4ccccc4n3Cc3ccc(F)cc3)CC2)cs1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.