Using O=C(O)c1ccc2nc(C3CCCCC3)oc2c1, OC1CNC1 to produce O=C(c1ccc2nc(C3CCCCC3)oc2c1)N1CC(O)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.