Using CCCCCCCCCc1ccc(CN2CCC(O)(P(=O)(OCC)OCC)C2)cc1 to produce CCCCCCCCCc1ccc(CN2CCC(O)(P(=O)(O)O)C2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.