Using CCOC(=O)c1ccc(Nc2cc3c4c(c2)CCCC4(C)CCC3)cc1 to produce CC12CCCc3cc(Nc4ccc(C(=O)O)cc4)cc(c31)CCC2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.