Using O=C([O-])Nc1ccc2c(c1)C1OCCCC1C(C1CCCCC1)N2 to produce Nc1ccc2c(c1)C1OCCCC1C(C1CCCCC1)N2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.