Using O=P(O)(O)C(NCCCCOc1ccccn1)P(=O)(O)O to produce O=P([O-])([O-])C(NCCCCOc1ccccn1)P(=O)(O)O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.