Using CCCCc1ccc(-n2cc(OCc3ccccc3)c(=O)c(C3CC3)c2)cc1 to produce CCCCc1ccc(-n2cc(O)c(=O)c(C3CC3)c2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.