Using CCOC(=O)c1[nH]c(C)c(C(=O)OCC)c1CCOC, OB(O)c1ccccc1 to produce CCOC(=O)c1c(CCOC)c(C(=O)OCC)n(-c2ccccc2)c1C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.