Using BrCCOCCBr, O=C1CSC(N[C@H]2C[C@@H]3CC[C@H]2C3)=N1 to produce O=C1N=C(N[C@H]2C[C@@H]3CC[C@H]2C3)SC12CCOCC2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.