Using OCCC12CC3CC(CC(C3)C1)C2, CCOC(=O)c1ccc(O)cc1 to produce CCOC(=O)c1ccc(OCCC23CC4CC(CC(C4)C2)C3)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.