Using CN(C)C(N)=O, OC[P+](CO)(CO)CO to produce CN(C)C(=O)NC[P+](CNC(=O)N(C)C)(CNC(=O)N(C)C)CNC(=O)N(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.