Using CCOC(=O)/C(=C/c1c(C)cc(OCCc2nc(-c3ccccc3)oc2C)cc1C)OCC to produce CCOC(Cc1c(C)cc(OCCc2nc(-c3ccccc3)oc2C)cc1C)C(=O)OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.