Using CCOC(=O)c1cn(CC)c2cc(C3CCCCC3)c(OC)cc2c1=O to produce CCn1cc(C(=O)O)c(=O)c2cc(OC)c(C3CCCCC3)cc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.