Using C/C=C/C(=O)O, CCC(N)(P(=O)(O)O)P(=O)(O)O to produce CCC(NC(CC)(P(=O)(O)O)P(=O)(O)O)C(=O)O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.