Using CCCC(=O)O[C@@H]1[C@H](O)c2c(cc(OC)c3c(=O)c4cc5ccccc5nc4n(C)c23)OC1(C)C to produce CCCC(=O)OC1=Cc2c(cc(OC)c3c(=O)c4cc5ccccc5nc4n(C)c23)OC1(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.