Using CCOC(=O)c1c(O)ncc2ccccc12, c1ccc(P(c2ccccc2)c2ccccc2)cc1 to produce CCOC(=O)c1c(OCC)ncc2ccccc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.