Using CCCCCN1C(=O)C(O)(c2cc3c(cc2O)OCO3)c2cnccc21 to produce CCCCCN1C(=O)C(c2cc3c(cc2O)OCO3)c2cnccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.