Using COc1cnc(N2CCOCC2)c2sc(NC(=O)c3ccnc(Br)c3)nc12, OC1CNC1 to produce COc1cnc(N2CCOCC2)c2sc(NC(=O)c3ccnc(N4CC(O)C4)c3)nc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.