Using CC(=O)OCCBr, COC(=O)CCSc1cnc(Nc2nc(C3(C)CCN(C(C)=O)CC3)ns2)c(Oc2cccnc2C)c1 to produce CC(=O)OCCSc1cnc(Nc2nc(C3(C)CCN(C(C)=O)CC3)ns2)c(Oc2cccnc2C)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.