Using O=C1NCCN2C[C@H](O)C[C@@H]12, Brc1cnc(C2CC2)cn1 to produce O=C1NCCN2CC(Oc3cnc(C4CC4)cn3)CC12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.