Using O=C1CCN(C(=O)c2ccccc2)CC1, CCOC(=O)C(C)P(=O)(OCC)OCC to produce CCOC(=O)C(C)=C1CCN(C(=O)c2ccccc2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.