Using CCOC(=O)c1cc(C)c(NC(=O)c2cc(N3CCC4(CC3)OCCO4)ccc2C)c(C)c1 to produce CCOC(=O)c1cc(C)c(NC(=O)c2cc(N3CCC(=O)CC3)ccc2C)c(C)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.