Using CCOC(=O)CCc1cc(C(C)C)c2[nH]c3c(c2c1)CCOC3(CC)CCO to produce CCC1(CCO)OCCc2c1[nH]c1c(C(C)C)cc(CCC(=O)O)cc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.