Using CCOC(=O)CCCCCCCC1(C(=O)OCC)Cc2c(OC)c(OC)c(OC)c(OC)c2C1O to produce CCOC(=O)CCCCCCCC1(C(=O)OCC)Cc2c(c(OC)c(OC)c(OC)c2OC)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.