Using Cc1oc(-c2ccccc2)nc1COc1ccc(Cn2cc(C=O)c(-c3cccs3)n2)cc1, CCOC(=O)CC(=O)OCC to produce CCOC(=O)C(Cc1cn(Cc2ccc(OCc3nc(-c4ccccc4)oc3C)cc2)nc1-c1cccs1)C(=O)OCC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.